The "visual cliff" is
A) the sharp increase in visual acuity that develops between six and nine months of age.
B) a transparent surface with a sudden drop in the patterned floor beneath it.
C) the rate of development of visual-motor skills in the first 12 months of life.
D) the highest elevation toward which an infant will crawl.

Question

Quizplus · Accepted Answer

The visual cliff is a laboratory apparatus designed to test depth perception in infants. It consists of a transparent surface with a patterned floor that abruptly drops off. Infants are placed on the surface and encouraged to crawl to the edge to test whether they perceive the drop-off and are afraid to crawl over it.

The "Visual Cliff" Is